import java.util.Scanner;
import java.text.DecimalFormat;
public class Circle
{
     public static void main(String[]args)
     {
          double radius ;
          double area,volume;
  
          Scanner scan = new Scanner (System.in);
          System.out.print("Enter the circle's radius:");
          radius = scan.nextDouble();
          area =4 * Math.PI * Math.pow(radius,2);
          volume = (4 * Math.PI * Math.pow(radius,3))/3;
   
          DecimalFormat fmt = new DecimalFormat("0.####");
     
          System.out.println("area:" + fmt.format(area));
          System.out.println("volume:" + fmt.format(volume));
     }
}
